[Tex/LaTex] How to align cell text to left with \makecell

cellmakecelltables

I am using \makecell in table text because I need to make multiple lines text inside the cell. But I can not get the third column cells to be aligned to left. My tabular only centers the last cell. Can you figure our why? 

\documentclass[sigconf]{acmart}
\usepackage{booktabs}
\usepackage{array, makecell} 
\begin{document}
\title{Test}

\author{First Author}
\affiliation{%
  \institution{First University}
  \city{City}
  \state{Country}
}

\begin{abstract}
Abstract here.
\end{abstract}
\maketitle
\section{Section}
\begin{table}[!tp]
  \caption{caption here}
  \label{table:simple}
  \centering
  \begin{tabular}{@{\extracolsep{4pt}}lllc@{}}
    \toprule
    Col 1               & Col2                      & Col 3                 & Col 4 \\
    \midrule
    Test here           &  AAA                      & DDDDDDDDD                 &GG     \\
    Test here           &  \makecell{BBB \\ CCC}    & \makecell{EEEEEE \\ FFFFFFF}  &HH     \\ 
  \bottomrule
  \end{tabular}
\end{table}

\end{document}

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Best Answer

To quote the makecell package documentation:

This macro allows optional alignment settings. \makecell[<vertical or/and horizontal alignment>]{<cell text>} For vertical alignment you use t , b , or c —this letters you usually put in optional argument of tabular or array environments. For horizontal alignment you may use alignment settings like r , l , or c , or more complex, like {p{3cm}}[...]

To left-align contents in a makecell command, you can use the alignment option l as follows: \makecell[l]{EEEEEE \\ FFFFFFF}

Complete example:

\documentclass[sigconf]{acmart}
\usepackage{booktabs}
\usepackage{array, makecell} 
\begin{document}
\title{Test}

\author{First Author}
\affiliation{%
  \institution{First University}
  \city{City}
  \state{Country}
}

\begin{abstract}
Abstract here.
\end{abstract}
\maketitle
\section{Section}
\begin{table}[!tp]
  \caption{caption here}
  \label{table:simple}
  \centering
  \begin{tabular}{@{\extracolsep{4pt}}lllc@{}}
    \toprule
    Col 1               & Col2                      & Col 3                 & Col 4 \\
    \midrule
    Test here           &  AAA                      & DDDDDDDDD                 &GG     \\
    Test here           &  \makecell{BBB \\ CCC}    & \makecell[l]{EEEEEE \\ FFFFFFF}  &HH     \\ 
  \bottomrule
  \end{tabular}
\end{table}

\end{document}
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